The main purpose of this study is to investigate the chemical compositions varied in different felling seasons, ages and positions of Moso and Thorny bamboos in relation to insect pest.

• 本试验在研究不同伐采季节、不同竹龄、不同部位之孟宗竹与刺竹的化学组成变化，以探讨组成变化对竹材感染蛀虫之相关性。